Square D by Schneider Electric HEPD80MKF Hepd80 Flush Mount Kit The head 80 provides whole House surge protection for your sensitive electronic equipment Did you know that 80% of surges come from inside your home and only 20% of surges come from outside (e.G. Lightning) Head 80 provides you with up to 80,000 a of surge current per phase An average home can experience upto 250 surge events per year